ChemicalBook > CAS DataBase List > 1,8-Diaminonaphthalene

1,8-Diaminonaphthalene

Product Name
1,8-Diaminonaphthalene
CAS No.
479-27-6
Chemical Name
1,8-Diaminonaphthalene
Synonyms
Naphthalene-1,8-diamine;1,8-NAPHTHALENEDIAMINE;1,8-Diaminonaphthalene,99%;1,8-DiaminonaphthaL;8-Diaminonaphthalene;1,8-Diaminonaphthale;1,8-Naphthylendiamin;1,8-DIAMINONAPHTHALONE;1,8-Diaminonaphthalane;DIAMINONAPHTHALENE-1,8
CBNumber
CB2728423
Molecular Formula
C10H10N2
Formula Weight
158.2
MOL File
479-27-6.mol
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1,8-Diaminonaphthalene Property

Melting point:
60-65 °C (lit.)
Boiling point:
205 °C/12 mmHg (lit.)
Density 
1.1265
vapor pressure 
0.011Pa at 25℃
refractive index 
1.6829
Flash point:
205°C/12mm
storage temp. 
Store below +30°C.
solubility 
methanol: soluble
form 
Chunks or Crystalline Mass
pka
4.46±0.10(Predicted)
color 
Grayish-red to gray or dark brown
Water Solubility 
slightly soluble
Merck 
14,6372
BRN 
742841
Stability:
Air Sensitive
InChIKey
YFOOEYJGMMJJLS-UHFFFAOYSA-N
LogP
1.335
CAS DataBase Reference
479-27-6(CAS DataBase Reference)
NIST Chemistry Reference
1,8-Naphthalenediamine(479-27-6)
EPA Substance Registry System
1,8-Naphthalenediamine (479-27-6)
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Safety

Hazard Codes 
Xn,Xi
Risk Statements 
22-40-43-36/37/38
Safety Statements 
36/37-36/37/39-26-24-36
RIDADR 
2811
WGK Germany 
3
F 
8
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
29215940
Toxicity
LD50 orally in Rabbit: 800 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H351Suspected of causing cancer

Precautionary statements

P201Obtain special instructions before use.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D21405
Product name
1,8-Diaminonaphthalene
Purity
99%
Packaging
5g
Price
$37.6
Updated
2024/03/01
Sigma-Aldrich
Product number
D21405
Product name
1,8-Diaminonaphthalene
Purity
99%
Packaging
100g
Price
$110
Updated
2024/03/01
Sigma-Aldrich
Product number
8.06206
Product name
1,8-Naphthalenediamine
Purity
for synthesis
Packaging
100g
Price
$91.1
Updated
2024/03/01
Sigma-Aldrich
Product number
8.06206
Product name
1,8-Naphthalenediamine
Purity
for synthesis
Packaging
500g
Price
$300
Updated
2024/03/01
TCI Chemical
Product number
D0102
Product name
1,8-Diaminonaphthalene
Purity
>98.0%(T)
Packaging
25g
Price
$45
Updated
2024/03/01
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1,8-Diaminonaphthalene Chemical Properties,Usage,Production

Chemical Properties

Off white powder. 1,8-Naphthalenediamine [479-27-6]. 1,8-diaminonaphthalene, Deltamin, C10H10N2, Mr 158.2, turns brown in air even in the absence of light. Its solutions give a brown precipitate on addition of iron(III) chloride. Treatment with boiling aqueous sodium bisulfite followed by addition of alkali gives 8-amino-1-hydroxynaphthalene. Sulfonation takes place in the 4- position. Coupling with azo compounds also occurs in the 4-position, but in almost neutral solution 4,5-bis coupling can occur. The resulting bisazo compound is reduced with SnCl2– HCl to give 1,4,5,8-tetraaminonaphthalene.

Uses

Lubricating-oil antioxidant, analytical reagent

Uses

1,8-Diaminonaphthalene is an important raw material and intermediate used in organic synthesis, pharmaceuticals and agrochemicals. 1,8-Naphthalenediamine has minor use as an antioxidant for lubricating oils and as an analytical reagent for the detection of selenium and nitrites.

Production Methods

Reduction of 1,8-dinitronaphthalene is carried out with iron and acetic acid in xylene or by catalytic hydrogenation.

Flammability and Explosibility

Non flammable

Purification Methods

Crystallise 1,8-diaminonaphthalene from water or aqueous EtOH, and sublime it in a vacuum. The N,N'-dimethyl derivative [20734-56-9] has m 103-104o and pK2 5 5.61, the N,N,N'-trimethyl-derivative [20734-57-0] has m 29-30o and pK2 5 6.43. [Hodgson et al. J Chem Soc 202 1945, Beilstein 13 IV 344.]

1,8-Diaminonaphthalene Preparation Products And Raw materials

Raw materials

Preparation Products

Solvent Red 179 Solvent Red 135 C.I. 564100
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1,8-Diaminonaphthalene Suppliers

Americas 1 Belgium 3 China 292 Europe 4 France 3 Germany 9 India 15 Japan 8 Norway 1 Slovakia 1 South Korea 1 Switzerland 2 The Netherlands 1 Ukraine 2 United Kingdom 13 United States 54 Global 410
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View Lastest Price from 1,8-Diaminonaphthalene manufacturers

Hunan aslsen technology co.,ltd
Product
1, 8-Diaminonaphthalene 479-27-6
Price
US $0.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
10tons/month
Release date
2024-03-25
WUHAN FORTUNA CHEMICAL CO., LTD
Product
1,8-Diaminonaphthalene 479-27-6
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-01-11
Hebei Guanlang Biotechnology Co., Ltd.
Product
1,8-Diaminonaphthalene 479-27-6
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2022-12-21

479-27-6, 1,8-DiaminonaphthaleneRelated Search:

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  • 479-27-6
  • Detection
  • Fluorescent Probes, Labels, Particles and Stains
  • BioChemical
  • Biochemicals and Reagents
  • Building Blocks
  • Organic Building Blocks
  • Nitrogen Compounds
  • Polyamines
  • Building Blocks
  • Chemical Synthesis
  • Nitrogen Compounds
  • Organic Building Blocks
  • Polyamines
  • Organics
  • Benzene derivatives
  • Intermediates of Dyes and Pigments